MapLibreParticleLab/metrics/integration/expression-tests/to-string/2-ary/test.json

{
  "expression": ["to-string", ["get", "x"], ["get", "y"]],
  "inputs": [[{}, {}]],
  "expected": {
    "compiled": {
      "result": "error",
      "errors": [{"key": "", "error": "Expected one argument."}]
    }
  }
}